Radio astronomy from space

Details Radio astronomy from space Radio astronomy from space

Apr 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ecgou..30..325w&link_type=abstract

Goutelas 2007; Low Frequency Radioastroomy: Instrumentation, Science, Projects. Proceedings of the conference held 4-8 June 2007

Astronomy and Astrophysics

Astronomy

Radioastronomy, Scintillation, Propagation Effects, Angular Broadening, Temporal Broadening, Absorption, Radioastronomy From The Moon, Esa Lunar Mission

Scientific paper

At frequencies below about 30 MHz, radio astronomy becomes increasingly difficult from the Earth's surface, mainly due to a combination of poor ionospheric seeing and strong terrestrial interference. The obvious move is to space, either as free-flying spacecraft or with a telescope located somewhere on the Moon. All the major space agencies have a renewed interest in the Moon as a site for exploration and science, and low-frequency radio astronomy is probably the strongest of the astronomical objectives put forward in these programmes. Although the Sun is a strong source of interference in extra-solar system work, it is also a prime target for study in itself. A constellation of satellites (as proposed for the SIRA mission) would be able to image both the Sun and the inner heliosphere over the entire low-frequency band. Here we investigate some of the advantages and limitations of astronomy at these very low frequencies, using space- and lunar-based antennas.

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